SAN FRANCISCO -- Researchers at the Joslin Diabetes Center report that a 12-week weight-loss program they devised for patients with type 2 diabetes continues to have a positive, long-lasting effect on weight loss 1 year later, long after patients are off on their own.
The findings of a 1-year follow-up of the 12-week "Why WAIT" weight-loss program were presented here this week at the 68th Annual Scientific Sessions of the American Diabetes Association by principal investigator Dr. Osama Hamdy.
The study involved 85 patients with type 2 diabetes, average age 54 years and a disease duration of approximately 10 years. The average weight was 235 pounds, average body mass index (BMI) was 38.4, average hemoglobin A1C was 7.5 percent, and average waist circumference was 46.7 inches.
Patients completed the 12-week diet and exercise program and were followed for another year without structured intervention.
Twelve weeks of the intervention resulted in an average weight loss of 24.6 pounds -- more than a 10 percent reduction -- a waist circumference reduction of 3.6 inches, and an average drop of 0.9 percent in A1C to 6.6 percent, indicating good control of blood sugar.
After 1 year of follow-up, weight remained lower than before the patients began the diet by more t
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